Finding the Fourth Proportional to 579,157.95, 868,781.33 and 194,908.68
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Solution
The fourth proportional to 579,157.95, 868,781.33 and 194,908.68 is: 292,377.96
Step by Step Solution
- Step 1: Write the proportion equation
579,157.95 : 868,781.33 = 194,908.68 : x - Step 2: Convert to fraction form
579,157.95/868,781.33 = 194,908.68/x - Step 3: Cross multiply
579,157.95x = 868,781.33 × 194,908.68 - Step 4: Simplify right side
579,157.95x = 169,333,022,238.94 - Step 5: Solve for x
x = 169,333,022,238.94/579,157.95 - Step 6: Final answer
x = 292,377.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.